Application Profiles

Application profiles are critical for accommodating compatibility among exchange media such as CD.

The DICOM standard has specified several profiles (different for various applications), which contain only a limited number of choices.  

Some examples:

  • Cardiology profile can store an image only with specific transfer syntax, which is “lossless” JPEG compression.
  • Other profiles are specified for ultrasound, CT/MR and dentistry in order to accommodate teaching files that store any image type (from multiple SOP Classes to more generic media). There is a general purpose CD-R and DVD application profile specified.
There are standard identifications for these profiles that are used to uniquely define these, such in a DICOM Conformance Statement.

The specification of each media storage application profile consists of the following:

  • The description of the application addressed by the application profile and its context of the application.
  • The selection, at the data format layer, of a number of specific objects and associated SOP Classes. For each SOP class it is specified if its support is required or optional within the context of this profile.
  • The selection of a specific media format definition and this is done by reference to PS 3.12 of the DICOM standard, which specifies the selected physical medium, a specific associated media format and the mapping of this media format services onto the DICOM file service.
  • The selection of appropriate transfer syntaxes and selection of a specific security profile
  • Other choices for specific attributes facilitating interoperability such as specific color encoding, etc.

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